In this step-by-step tutorial, you'll learn how the Python defaultdict type works and how to use it for handling missing keys when you're working with dictionaries. You'll also learn how to use a defaultdict to solve problems like grouping or counting the... (more…)

In preparation for the latest PizzaPY I browsed the code of Python's requests library. (You've got to love open source.) I'm of the opinion that must read lots of code in order to be able to write decent code yourself. The more diverse you read, the bette... (more…)

One year ago I was introduced by my friend Roberto Ciatti to the concept of Clean Architecture, as it is called by Robert Martin. The well-known Uncle Bob talks a lot about this concept at conferences and wrote some very interesting posts about it. What h...

If you aren’t wowed by Python’s super() builtin, chances are you don’t really know what it is capable of doing or how to use it effectively. Much has been written about super() and much of that wri…...

Production machine learning is about more than just algorithms... (more…)